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US FCC requires implementation of STIR/SHAKEN protocol to combat Robo-calls

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TimFox:
That suggests that the spam callers are randomly dialing 7-digit numbers in search of prey.
Otherwise, could they have access to a database of newly-issued phone numbers?  I don't believe that is in the public domain.
Years ago, with a landline, I made a practice of never picking up before four complete rings.  With my current home cell phone, I find that the suspicious calls are predictably ringing for 3.5 ring cycles, hanging up before the fourth ring completes.

Kasper:

--- Quote from: TimFox on October 21, 2021, 04:53:22 pm ---That suggests that the spam callers are randomly dialing 7-digit numbers in search of prey.
Otherwise, could they have access to a database of newly-issued phone numbers?  I don't believe that is in the public domain.
Years ago, with a landline, I made a practice of never picking up before four complete rings.  With my current home cell phone, I find that the suspicious calls are predictably ringing for 3.5 ring cycles, hanging up before the fourth ring completes.

--- End quote ---

My guess is the number has been recycled. Whoever had it before me was not as protective of it as I have been with my personal number.

I wish suspicious calls hung up that early out here. For me they leave a voicemail, often blank, either way, I have to go into my voicemail to delete it.

TimFox:
Being retired and having time on my hands, I would often call the "missed call" number (which was almost always spoofed) and get the telco announcement "The number you have called is not in service".  Very rarely, the actual phone number was actually in service for an innocent account holder, who was surprised to hear from me.  I found it amusing that the spoofed phone number is often not only in my 3-digit area code, but also in my 3-digit exchange, implying that the "Federal Reserve legal department" office or "Medicare benefits office" is in my neighborhood.

Gary350z:
This will not help, according to the following video.
Video says this only applies to large phone companies (for two years), so the robocallers will just switch to small phone companies.
I don't know, just passing along information. :-//

Another Robocaller False Alarm!

Bassman59:

--- Quote from: james_s on October 05, 2021, 01:28:46 am ---I don't understand why the carriers seem reluctant to do something about this, it really makes their product a lot less appealing.

--- End quote ---

If you're of a certain age, you might remember the SNL sketch with Lily Tomlin playing an AT&T operator who tells the truth:

"We don't care. We don't have to. We're the phone company."

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